85961490 has 16 divisors (see below), whose sum is σ = 206307648. Its totient is φ = 22923056.

The previous prime is 85961489. The next prime is 85961507. The reversal of 85961490 is 9416958.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432662 + ... + 1432721.

It is an arithmetic number, because the mean of its divisors is an integer number (12894228).

Almost surely, 2^85961490 is an apocalyptic number.

85961490 is an abundant number, since it is smaller than the sum of its proper divisors (120346158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85961490 is a wasteful number, since it uses less digits than its factorization.

85961490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865393.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 85961490 is about 9271.5419429564. The cubic root of 85961490 is about 441.3346013955.

The spelling of 85961490 in words is "eighty-five million, nine hundred sixty-one thousand, four hundred ninety".